The family of an Atlanta hip-hop pioneer who died on Friday revealed his cause of death. DJ Unk, whose real name was Anthony Leonard Platt, died in his sleep from a heart attack, his wife Sherkita Long-Platt told The Atlanta Journal-Constitution.

The wife of Anthony Leonard Platt, the man better known as Atlanta hip-hop icon DJ Unk, has revealed the cause of his death.

DJ Unk, the rapper best known for the bouncy crunk hit 'Walk It Out,' has died. His wife confirmed his death over the weekend and revealed his cause of death.

Platt, revealed he died on Jan. 24 DJ Unk, the Atlanta MC known for his early 2000s hits including “Walk It Out” and “2 Step," died after suffering a cardiac arrest this week, according to his wife. Two days after the artist born Anthony Leonard Platt died at age 43,

Now new reports have confirmed the Atlanta, Ga., rapper’s cause of death. Billboard reports how Sherkita Long-Plattt — the wife of the 43-year-old artist who may be best known for his 2006 hit single “Walk It Out” — confirmed to TMZ he passed away in his sleep after suffering from cardiac arrest.

Anthony Leonard Platt, also known as DJ Unk, has died at age 43, according to reports from the Atlanta Journal-Constitution and Rolling Stone. The Atlanta rapper was best known for the hits "Walk It Out" and "2 Step.

DJ Unk, the Atlanta rapper best known for his hits “Walk It Out” and “2 Step,” has died. He was 43. Born Anthony Leonard Platt, Unk passed away on Friday, according to a statement from Korey “Big Oomp” Roberson, who founded the record label Big Oomp Records, which signed Unk in 2000.

This article contains mention of drugs and death.  DJ Unk’s cause of death has been revealed two days after his sudden demise last week. The Atlanta MC, born Anthony Leonard Platt, died after suffering a cardiac arrest at age 43,